Pearce, David: HedWeb
- Interests: how biotechnology will allow us to get rid of suffering in all sentient life (allegedly); animal rights; consciousness; psychopharmacology; and "Why does anything exist?" An attractive, thought-provoking, and many-tentacled site.

Tipler, Frank J.
- Mathematician and originator of the "Omega Point" theory that the universe is finite, and therefore ultimately controllable in its entirety by sentients.

Vita-More, Natasha
- Founder and director of the Transhumanist Arts and Culture World Center, president of the Extropy Institute.

Yudkowsky, Eliezer
- Research Fellow of the Singularity Institute, author of "Friendly AI" and "Staring into the Singularity". His Web complex, "The Low Beyond", contains professional and personal writings.